JIS F 7312 Cast Steel 5K Angle Valves' Marine Cast Steel Screw Down Check Angle Valve uga bisa kasebut minangka Marine Cast Steel Angle SDNR Valve utawa SDNR Angle Valve. Cocog kanggo sistem pipa kanthi banyu seger, hawa & gas liyane, lenga lan uap kanthi suhu ora luwih saka 300 derajat celcius.